diff --git a/util/scripts/pkg-gba.py b/util/scripts/pkg-gba.py
index e3ee3692..10f069b6 100755
--- a/util/scripts/pkg-gba.py
+++ b/util/scripts/pkg-gba.py
@@ -28,11 +28,11 @@ project_name = sys.argv[2]
 bin = f'./build/{host_env}-{current_build}/bin/'
 project_bin = f'build/gba-release/bin/{project_name}.bin'
 project_gba = f'{project_name}.gba'
-project_manifest = f'{project_name}-manifest.json'
+project_manifest = f'{project_name.lower()}-manifest.json'
 
 shutil.copyfile(project_bin, project_gba)
 subprocess.run([
-    f'{bin}/{project_name}-pack',
+    f'{bin}/{project_name.lower()}-pack',
         '-src', project_dir,
         '-rom-bin', project_gba,
         '-manifest', project_manifest])